CAT Question of the Day Let a, b be positive integers such that  Find the number of ordered pairs ( a, b) which satisfy the above equation? | OPTIONS | | |  | 1) | Infinitely many | | | 2) | 9 | | | 3) | 4 | | | 4) | 5 | | | 5) | 1 |
Tip of the Day Every hour, the minute hand and the hour hand overlap each other once. But, between 11 a.m. to 1 p.m. and between 11 p.m. to 1 a.m., the hands overlap only once, that is, at 12 p.m. and 12 a.m. respectively. Hence, the hour and minute hands overlap 22 times in 24 hours. Last year's Question of the day (18-May-11) If selling price of A and B are in ratio 3: 2 and their buying price is in ratio of 4: 3.
Profit in A and B is 200 and 100 respectively. Find buying price of B?
| OPTIONS | | | | | 1) | 100 | | | 2) | 200 | | | 3) | 300 | | | 4) | 400 | | | 5) | 500 |
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